Most Java tests use Mockito. Most don't have to. New post on what segregating interfaces tells you about who's in charge of your boundaries.
https://t.co/4Ts7gb1qP3
A test that sorts 100,000 random integers using Sleep Sort.
One element could take 68 years to sleep through.
The test passes in about a second.
Wrote about how: https://t.co/tGj3UyvYby
Ever used virtual time in kotlin coroutine tests?